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   Re: [xml-dev] Re: Where does the "nothing left but toolkits" myth come f

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> As an experiment I tried turning on Windows disk compression, the
> rational being smaller amounts of data back and forth from disk would
> result in relatively faster IO at the expense of CPU which I appeared
> ot have excessive amounts of.  No such luck; my benchmark scratch
> compile (about 880 Java classes) went from 22 seconds to about 34
> seconds.  By comparison, a single 2.8 Ghz CPU system with 10K RPM
> disks configured  RAID 0 can do the compile in around 10 seconds.

As an aside, strictly sequential I/O with medium to large direct block 
transfers is by far the fastest I/O. Anything that disturbs the 
"sequential, large batch" nature causes massive degradations, which is 
why even a DBMS needs large main memory buffer pools to work well.


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